speedwellracing.comSpeedwell's roller races are held on single-speed bicycles on fork-mount rollers. You cannot fall over! On a related note, no word yet on whether the already infamous Beer Race will happen again.

One further note: unlike many I’ve seen described online, Speedwell’s roller races are held on single-speed bicycles on fork-mount rollers. So it's completely safe and idiot-proof ... you won't fall over!